Activity P M O Expected Activity Duration $($Beta Distribution$)$ Beta Activity Standard Deviation Range of Estimate

Start End

J

$35$

$2516$

K

$77$

$6045$

L

$55$

$4438$

Using the Beta Distribution,calculate the Expected Activity Distribution $($EAD$),$ Standard Deviation and Range of Estimate. Calculate to three decimal places. What is the end range for Activity J$?$

a$.$

$28\mathrm{.}667$

b$.$

$25\mathrm{.}167$

c$.$

$28\mathrm{.}334$

d$.$

$28\mathrm{.}330$